Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and Modules Explore the …

Dec 25, 2025 · We are pleased to announce the release of Ruby 4.0.0.Ruby 4.0 introduces “Ruby Box” and “ZJIT”, and adds many improvements.

Guides, tutorials, and reference material to help you learn more about Ruby{: .summary}### Installing RubyAlthough you can easily [try Ruby in your browser][...

Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and Modules Explore the …

Ruby 3.1 (End of Support 2025-04) Ruby 3.0 (End of Support 2024-04) Ruby 2.7 (End of Support 2023-04) Ruby 2.6 (End of Support 2022-04) Ruby 2.5 (End of Support 2021 ...

A Programmer's Best Friend “ When I released Ruby to the world, I never imagined such a rich ecosystem would grow from it. Over 200,000 gems, Ruby on Rails, RSpec, Bundler—it was the …

irb(main):006:0> Math.sqrt(9) => 3.0 Ok, wait, what was that last one? If you guessed, “it was figuring out the square root of nine,” you’re right. But let’s take a closer look at things. First of all, what’s …

Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and Modules Explore the …

Wondering why Ruby is so popular? Its fans call it a beautiful, artful language. And yet, they say it’s handy and practical. What gives? The Ideals of Ruby’s Creator Ruby is a language of careful …

Ruby is a programming language from Japan which is revolutionizing software development. The beauty of Ruby is found in its balance between simplicity and power. You can type some Ruby code in the …